Vise.



ATBNTED APR.. 9, 1907.

` J. .0. TITUS.

No. 849,758.A

, vIsE. APPLIG-ATION FILED AUG. 23, 1906.

`-[NVE/WOR ML Sea Alianza) EFI@n JOHN O. TITUS, OF MARION, OHIO.

VISE.

` Specoationvof Letters Patent.

Patented April 9, 1907.

Application led August 23, 1906. Serial No. 331,800.

To all whom it may concern:

Be it known that I, JOHN O. TrrUs, a citizen of the United States,residing at Marion, in the county of Marion and State of Ohio,

have invented a certain new and Improved l Vise, of which the followingis a specification.

My invention relates to vises.

Vises made in accordance with my invention are adapted for a wide rangeof uses 5 but one especial object of the invention is to adapt the visefor use in connection with machine-tools, such as drill-presses. y

In the accompanying drawings, which show one exempli'lication of myinvention, Figure l is a plan view, Fig. 2 a side elevation, and Fig. 3a rear view, of the rear block.

Reference-numeral l designates a front block, preferably of rectangularshape; 2, a rear block of similar shape; 3, rods, usually two, (althoughthere may be one or more than two,) connecting the front and rearblocks. These rods may be secured to the blocks by means of pins 4,passing through the blocks and ends of the rods, as shown in the frontblock, and these pins may be driven or screwed in place, so as to bereadily removable, or the rods may be secured by upsetting the ends orin any other suitable manner known to mechanics. 5 is a recess intherear block; 6, bolt-holes in the rear block, one or more holes beingdrilled in each of two or more sides of the block.

In making the vise the front and rear blocks are faced up on asuitablemachine, so that the bottom and sides of the blocks are perfectly true.The vise may then be used in connection with a machinetool, such as adrill-press having a bedplate, byclamping it to the bed by set-screwspassing through the holes 6 either with the bottom down or on either theright or left side, or it may be secured in either position by any othersuitable means. In whatever position it is placed on the bed-plate thework will be held accurately in relation to the drill.

7 is a sliding block or jaw provided with holes through which the rods 3pass. This block is shaped to conform accurately with the shapeof blocks1 and 2 5 8, a screw working in a suitable internally-threaded bore inmovable jaw 7 and held in the front head 1 by suitable thrust members 9;10, the usual handle for operating the screw, and 1l V- shapedintersecting grooves in either the movable head 7 or rear head 2.

It will be observed that the movable jaw 7 slides on and is guidedaccurately by the two stay-rods 3 and that the power of the screw isapplied to it on a line central between the rods, so that disalinementof the jaw is practically absolutely prevented. The guiderods at thesame time serve as stays to connect the stationary heads. The V-shapedgrooves ll are cut at right angles and when the vise is in position onthe bed of the drillpress afford means for holding round stockaccurately in horizontal or vertical relation to the bed.

As viewed from either end the faces of all the blocks, are accurately inline. Thus when the vise is clamped in position on a face-plate, forexample, it has an accurate bearing-surface against the face-plate, notonly on the bottom or either side of head 2, but on the correspondingsides of the other head l and sliding aw 7. rlhe vise thus rests veryfirmly in position and liability to improper movement while the work isbeing operated upon is reduced to a minimum. The vise may in otherinstances be put in use with the head 2 alone clamped to a faceplate andthe other block proj ecting beyond it.

It will be apparent that the means for clamping the vise in place may beother than the holes and bolts applied to block 2. It may be secured toany suitable support by any other suitable devices applied either tohead 2 or head l, or both of them.

I claim as my invention" In a portable vise, the combination of twoblocks one of which constitutes a xed jaw, two distance-rods connectingthe blocks, a movable jaw running on said rods, and a screw engaging themovable `iaw and having a bearing-seat in one of the blocks, the aw andblocks having flat faces in planes at right angles to each other, andthe corresponding faces of said aw and blocks being all in the sameplane.

JOHN O. TITUS. Witnesses:

H. D. YOUNG, Giro. F. ANDRES.

